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|Title:||Subjective assessment of thermal comfort in rooms served by the novel enhanced displacement ventilation system with different airflow discharge angles|
|Authors:||Sun, W. |
|Keywords:||Enhanced displacement ventilation|
Vertical temperature difference
|Citation:||Sun, W.,Cheong, D.K.W.,Melikov, A.K. (2009). Subjective assessment of thermal comfort in rooms served by the novel enhanced displacement ventilation system with different airflow discharge angles. 9th International Conference and Exhibition - Healthy Buildings 2009, HB 2009. ScholarBank@NUS Repository.|
|Abstract:||The performance of conventional displacement ventilation (DV) system in a mock-up office was enhanced by a novel way of transporting cooler air from the floor level to the occupant's torso with the aid of 4 fans mounted at each corner of a chair. The subjective assessment of indoor thermal comfort served by the novel enhanced DV system was carried out with the room air temperature at 1.1m height maintained at 26±0.5°C. Thirty-two tropically acclimatized college-aged subjects participated in this study. Each subject had individual control of the air velocity at 3 air speeds and the position of the fans at 0°, 30°, and 60° to the horizontal plane. The result of this study has re-confirmed that the fans at warmer room temperature significantly improved the thermal comfort of occupants. The result also showed that the fan position angle of 30° to the horizontal plane was most preferred by the subjects.|
|Source Title:||9th International Conference and Exhibition - Healthy Buildings 2009, HB 2009|
|Appears in Collections:||Staff Publications|
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